R
Types 1098-EGR & 1098H-EGR Key
Description
15
Relief Valve Assembly Aluminum/stainless steel 25 psi (1.7 bar) differential 16A5929 X052 Aluminum/302 stainless steel for 25 psi (1.7 bar) differential (NACE) 16A5929 X042 Bellows Assembly, stainless steel/ nickel 15A6202 X012 Bellows O-Ring, nitrile 1D6825 06992 P590 Series filter (parts listed under separate heading) Type P594-1, brass & cellulose (standard) AJ5004 000A2 Type 593-1, aluminum & cellulose AJ5004 T0012 Closing Cap Gasket, composition 15A6218 X012 Pipe Nipple Galvanized zn pl steel 1C4882 26232 Noncorrosive, NACE steel (NACE) 1C4882 X0032 Corrosive, 316 stainless steel (NACE) 1C4882 X0042 Restriction, pl steel (not used for low-gain construction) Standard gain (indicated by S stamped on pilot body), No. 51 drill size or 0.067 inch (1.7 mm) diameter, green 17A2030 X012 High gain for narrower proportional bands (indicated by H stamped on pilot body), No. 57 drill size or 0.043 inch (1.09 mm) diameter, red 17A2029 X012 Restriction, NACE construction 316 stainless steel (not used for low-gain construction) Standard gain (indicated by S stamped on pilot body), No. 51 drill size or 0.067 inch (1.7 mm) diameter, green color code 17A2030 X022 High gain for narrower proportional bands (indicated by H stamped on pilot body), No. 57 drill size or 0.043 inch (1.09 mm) diameter, red color code 17A2029 X022 Diaphragm Limiter, aluminum (for Types 6354H or 6354M) 15A9259 X012 NACE Tag (Type 6352 only), NACE 18-8 stainless steel not shown) 19A6034 X012 Tag Wire (Type 6352 only), NACE 303 stainless steel (not shown) 1U7581 X0022
16 17* 19 20* 21
22
22
23 26 27
Part Number
Key
Description
12* 13 14* 15* 16 17 18 19 20 22 23
O-ring, nitrile 1B8855 06992 Relay Spring, 302 stainless steel 1E6436 37022 Upper Diaphragm, Nitrile 1B8852 02052 Lower Diaphragm, Nitrile 1B8860 02052 Upper Diaphragm Plate, Steel 1B9893 25072 Lower Diaphragm Plate, Steel 1B9894 25072 Spring Seat, steel, cd pl 1B8862 25072 Hex Nut, steel, cd pl 1A3403 24122 Cap Screw, steel, (8 req’d) 1B9896 24052 Pipe Plug, steel (not used with Type 661 mtg) 1A6495 28992 Vent Screen, alloy 400 (used only with Type 661 mtg) 0L0783 43062 Pipe Nipple, steel zinc pl 1C4882 26232 P590 Series filter (parts listed under separate heading) Type P594-1, brass & cellulose (standard) AJ5004 000A2 Type 593-1, aluminum & cellulose AJ5004 T0012 Bleed Valve, 416 stainless steel 1H9516 35132 Nameplate, aluminum 14A1711 X012 Gasket, neoprene 1P7533 06992 Pipe Plug, cast iron (2 req’d) 1A3619 19012 Spring Seat, steel (used only with Type 661 mtg) 1J4284 24092 Drive Screw, steel, pl (2 req’d) 1E9530 28982
24 25 26 27 28* 30 35 50
Part Number
Type 61LD Pilot (figure 18)
1 2 3 4 5 5A 5B 5C 5D 6 7
8 9 10 11
24
Parts kit (included are: relay orifice, key 8; disk holder assembly, key 9; bleed orifice, key 10; O-ring, key 12 relay spring, key 13; upper relay diaphragm, key 14; lower relay diaphragm, key 15; bleed valve, key 26; and closing cap gasket, key 28) R61LD X00012 Spring Case, cast iron 1B9839 19012 Body, cast iron 2J5819 19012 Diaphragm Case, Cast iron 2C5186 19012 Yoke Zinc 1D6625 44012 Cast iron 1B9840 19012 Closing Cap Assembly (includes keys 5a, 5b, 5c and 5d) AD5586 000A2 Screen, stainless steel (not used with Type 661 mtg) 1B6335 38392 Snap Ring, stainless steel (not used with Type 661 mtg) 1B6336 38992 Machine Screw, steel (not used with Type 661 mtg) 1D5589 28992 Closing Cap, zinc (not used with Type 661 mtg) 2D3715 44012 Adjusting Screw, zinc (not used with Type 661 mtg) 1B5379 44012 Control Spring, steel pl 1/4-2 psig (0.017-0.138 bar) range, red spring 1B8863 27022 1-5 psig (0.069-0.34 bar) range, yellow spring 1J8578 27022 2-10 psig (0.138-0.69 bar) range, blue spring 1B8864 27022 5-15 psig (0.34-1.02 bar) range, brown spring 1J8579 27142 10-20 psig (0.69-1.4 bar) range, green spring 1B8865 27022 Relay Orifice, stainless steel 1C5201 35032 Disk Holder Assembly Brass/nitrile (standard) 1B8868 000A2 Stainless steel/nitrile (corrosive) 1B8868 000B2 Bleed Orifice, stainless steel 1B8873 35032 Diaphragm Nut Brass 1B9895 14012 Stainless Steel 1B9895 35072
14A5706-A A2124-1
Figure 15. Single-Pilot Mounting Parts
Standard Single-Pilot Mounting Parts (figures 15 & 19) Note Key numbers 14 through 22 are only for mounting a Type 61LD pilot. 14 15 16 17
18
Pipe Nipple, galvanized zn pl steel Pipe Nipple, galvanized zn pl steel Pipe Tee, Malleable iron Type 1806 Relief Valve, SST ball and spring Brass body and spring seat Aluminum body and spring seat Stainless steel body and spring seat Relief Tubing Copper Aluminum Steel Stainless steel
*Recommended spare part
1F7315 26012 1F7302 26012 1A4736 21992 AF5001 X00A2 AF5001 X0012 AF5001 X0022 14A9457 X012 14A9457 X032 14A9457 X022 14A9457 X042